5 Letter Words Starting With O: 263 Words and Wordle Answers

Amelia Wright
22 Min Read

A 5 letter word starting with O has the letter O in the first square, as in Ocean, Often, and Order. Many of these words open with a vowel pair, such as OU in Ounce and Outer, and others open with a consonant, such as OR in Orbit.

In Wordle, a green O in the first square leaves a short list of possible answers. The game’s answer list holds 41 words that start with O, and Often narrows them faster than any other answer word.

5 letter words starting with o such as ocean, often, order, ounce, and ozone, with O in the first square
5 Letter Words Starting With O in English
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Scrabble players use the same opening, from everyday words like Other to high scoring plays like Ozeki and Oxbow.

The five letter words starting with O number 263, and Wordle’s answer list holds 41 of them, including Ocean, Often, Order, and Ounce. Ozzie scores the most in Scrabble at 23 points.

Choose the first letter of the word you are solving.

A ยท B ยท C ยท D ยท E ยท F ยท G ยท H ยท I ยท J ยท K ยท L ยท M ยท N ยท O ยท P ยท Q ยท R ยท S ยท T ยท U ยท V ยท W ยท X ยท Y ยท Z

5 Letter Words Starting With O: 41 Wordle Answers

Oa to OfOl to OrOt to Oz
OakenOldenOther
ObeseOlderOtter
OccurOliveOught
OceanOmbreOunce
OctalOmegaOutdo
OctetOnionOuter
OdderOnsetOutgo
OddlyOperaOvary
OffalOpineOvate
OfferOpiumOvert
OftenOpticOvine
OrbitOvoid
OrderOwing
OrganOwner
Oxide
Ozone

Best 5 Letter Words Starting With O for Wordle

Often is the strongest first guess among the words that are also Wordle answers. Played against all 41 answers that start with O, it splits them into 18 color patterns and leaves about 3.3 possible answers on average.

Oaten narrows the list even further, to about 2.6 answers, but it is a valid guess and never the answer itself. Both words test E, T, and N, and after the O the answers use E 27 times, R and T 16 times each, and N 14 times.

Ocean, a popular opener, is weaker here, because only 6 of the 41 answers hold a C.

GuessColor PatternsAnswers Left on Average
Oaten222.6
Often183.3
Outer203.6
Onset163.7
Otter184.4
Ounce154.5
Other164.6
Ocean194.9

Once the O is green, the second letter is the next clue to solve. U and V each open 5 of the answers, and C and P each open 4.

Common 5 Letter Words Starting With O With Meanings

WordMeaningExample Sentence
ObeseVery overweightThe vet said the obese cat needed a diet.
OccurTo happenStorms occur often in this part of the coast.
OceanA very large body of salt waterWe swam in the ocean every morning.
OfferTo present something for someone to acceptShe offered him a seat on the train.
OftenMany timesHe often walks to work in summer.
OlderHaving lived or existed for more yearsMy older brother taught me to ride a bike.
OliveA small oval fruit grown for food and oilShe added an olive to each slice of pizza.
OmegaThe last letter of the Greek alphabetomega comes after psi in the Greek alphabet.
OnionA round vegetable with a strong smell and tasteChop the onion before you heat the pan.
OnsetThe start of something, often something unpleasantRest at the onset of a cold helps you recover.
OperaA play in which the words are sungThey saw an opera at the city theater.
OpticRelating to the eye or to sightThe optic nerve carries signals from the eye to the brain.
OrbitThe curved path of one object around anotherThe moon takes about a month to orbit the Earth.
OrderA request for goods, or the way things are arrangedWe placed an order for two pizzas.
OrganA body part with a job, or a large keyboard instrumentThe heart is the organ that pumps blood.
OtherDifferent from the one already namedTry the other door if this one is locked.
OtterA water animal with thick brown furAn otter floated on its back in the river.
OughtShouldYou ought to drink more water on hot days.
OunceA unit of weight equal to about 28 gramsThe recipe calls for one ounce of butter.
OuterOn the outside or farther outThe outer wall of the castle is very thick.
OvaryThe organ that produces eggs in a female body or a flowerThe seeds of a plant form inside its ovary.
OwnerA person who has somethingThe owner of the shop opens it at nine.
OxideA compound of oxygen and another elementRust is a kind of iron oxide.
OzoneA form of oxygen high in the atmosphereThe ozone layer blocks much of the sun’s ultraviolet light.

All 5 Letter Words Starting With O by First Two Letters

5 Letter Words Starting With OA to OB

Oak to OasOat to ObeObi to Obo
OakedOatenObias
OakenOaterObied
OakerOathsObiit
OakumOavesObits
OaredObangObjet
OasesObeahOboes
OasisObeliObole
OastsObeseOboli
ObeysObols

5 Letter Words Starting With OC

5 letter words starting with oc such as occur, ocean, octal, and octet, with OC in the first two squares

Sixteen words start with OC, and Occur, Ocean, Octal, and Octet are Wordle answers.

Occ to OceOch to OcrOct to Ocu
OccamOcherOctad
OccurOchesOctal
OceanOchreOctan
OchryOctas
OckerOctet
OcreaOctyl
Oculi

5 Letter Words Starting With OD to OH

OdOfOg to Oh
OdahsOffalOgams
OdalsOffedOgeed
OdderOfferOgees
OddlyOffieOggin
OdeonOflagOgham
OdeumOftenOgive
OdismOfterOgled
OdistOgler
OdiumOgles
OdorsOgmic
OdourOgres
OdyleOhias
OdylsOhing
Ohmic
Ohone

5 Letter Words Starting With OI to OM

Oi to OkOlOm
OidiaOldenOmasa
OiledOlderOmber
OilerOldieOmbre
OinksOleicOmbus
OintsOleinOmega
OjimeOlentOmens
OkapiOleosOmers
OkaraOleumOmits
OkaysOliosOmlah
OkehsOliveOmovs
OkrasOllasOmrah
OktasOllav
Oller
Ollie
Ology
Olpae
Olpes

5 Letter Words Starting With ON

Fourteen words start with ON, and Onion and Onset are the Wordle answers.

OncOne to OniOnk to Ont
OncerOnelyOnkus
OncesOnersOnlay
OncetOneryOnned
OncusOnionOnset
OniumOntic
5 letter words starting with on such as onion, onset, onlay, and ontic, with ON in the first two squares

5 Letter Words Starting With OO

Ten words start with a double O, such as Oomph and Oozed. None of them is a Wordle answer.

Oob to OomOon to OorOos to Ooz
OobitOontsOoses
OohedOopedOotid
OomphOorieOozed
Oozes

5 Letter Words Starting With OP

5 letter words starting with op such as opera, opine, opium, and optic, with OP in the first two squares

Thirteen words start with OP, and Opera, Opine, Opium, and Optic are Wordle answers.

Opa to OpeOpi to OppOps to Opt
OpahsOpineOpsin
OpalsOpingOpted
OpensOpiumOpter
OpepeOpposOptic
Opera

5 Letter Words Starting With OR

OR opens 31 words, more than any other pair after O. Orbit, Order, and Organ are the Wordle answers.

Ora to OrcOrd to OriOrl to Orz
OrachOrderOrles
OracyOrdosOrlon
OralsOreadOrlop
OrangOrfesOrmer
OrantOrganOrnis
OrateOrgiaOrpin
OrbedOrgicOrris
OrbitOrgueOrtho
OrcasOribiOrval
OrcinOrielOrzos
Orixa
5 letter words starting with or such as orbit, order, organ, and ortho, with OR in the first two squares

5 Letter Words Starting With OS to OT

Osc to OsmOss to OtaOth to Ott
OscarOssiaOther
OshacOstiaOttar
OsierOtakuOtter
OsmicOtaryOttos
Osmol

5 Letter Words Starting With OU

Twenty-seven words start with OU, and Ought, Ounce, Outdo, Outer, and Outgo are Wordle answers.

Oub to OumOun to OusOut to Ouz
OubitOunceOutby
OuchtOundyOutdo
OuensOupasOuted
OughtOupedOuter
OuijaOupheOutgo
OulksOuphsOutie
OumasOurieOutre
OuselOutro
OustsOutta
Ouzel
Ouzos
5 letter words starting with ou such as ought, ounce, outdo, and outer, with OU in the first two squares

5 Letter Words Starting With OV to OZ

OvOwOx to Oz
OvalsOwcheOxbow
OvaryOwiesOxers
OvateOwingOxeye
OvelsOwledOxide
OvensOwlerOxids
OversOwletOxies
OvertOwnedOxime
OvineOwnerOxims
OvistOwresOxlip
OvoidOwrieOxter
OvoliOwsenOyers
OvoloOzeki
OvuleOzone
Ozzie

5 Letter Words Starting With O by Last Letter

5 Letter Words Starting With O and Ending With E

5 letter words starting with o and ending with e such as olive, ounce, oxide, and ozone, with O first and E last

Of the 263 words, 33 end in E, and 9 of them are Wordle answers. Opine, Ovine, and Ozone end in NE, and Orate and Ovate end in ATE.

Ob to OlOm to OuOv to Oz
ObeseOmbreOvate
OboleOorieOvine
OchreOpepeOvule
OdyleOpineOwche
OffieOrateOwrie
OgiveOrgueOxeye
OhoneOunceOxide
OjimeOupheOxime
OldieOurieOzone
OliveOutieOzzie
OllieOutre
Olpae

5 Letter Words Starting With O and Ending With A

Twelve words start with O and end in A. Omega and Opera are the Wordle answers.

Oc to OkOm to OrOs to Ou
OcreaOmasaOssia
OidiaOmegaOstia
OkaraOperaOuija
OrgiaOutta
Orixa

5 Letter Words Starting With O and Ending With T

Sixteen words end in T, and 5 are Wordle answers: Octet, Onset, Orbit, Ought, and Overt. Objet, Octet, Oncet, Onset, and Owlet end in ET.

Ob to OlOn to OrOu to Ow
ObiitOncetOubit
ObjetOnsetOucht
OctetOobitOught
OdistOrantOvert
OlentOrbitOvist
Owlet

5 Letter Words Starting With O and Ending With S

S closes 74 of these words, more than any other letter, and none of them is a Wordle answer. Most of them are plurals or verb forms, such as Ovens and Opens.

Oa to OiOk to OpOr to Oy
OasesOkaysOrals
OasisOkehsOrcas
OastsOkrasOrdos
OathsOktasOrfes
OavesOleosOrles
ObeysOliosOrnis
ObiasOllasOrris
ObitsOlpesOrzos
OboesOmbusOttos
ObolsOmensOuens
OchesOmersOulks
OctasOmitsOumas
OdahsOmovsOupas
OdalsOncesOuphs
OdorsOncusOusts
OdylsOnersOuzos
OgamsOnkusOvals
OgeesOontsOvels
OglesOosesOvens
OgresOozesOvers
OhiasOpahsOwies
OinksOpalsOwres
OintsOpensOxers
OpposOxids
Oxies
Oxims
Oyers

5 Letter Words Starting With O and Ending in N

Sixteen words end in N, and 6 are Wordle answers: Oaken, Ocean, Often, Olden, Onion, and Organ.

Oa to OdOf to OnOp to Ow
OakenOftenOpsin
OatenOgginOrcin
OceanOldenOrgan
OctanOleinOrlon
OdeonOnionOrpin
Owsen

5 Letter Words Starting With O and Ending in R

Twenty-seven words end in R, and 9 are Wordle answers. Most of them end in ER, and the full set of 5 letter words starting with O and ending in ER holds 23.

Oa to OfOg to OrOs to Ox
OakerOglerOscar
OaterOilerOsier
OccurOlderOther
OcherOllerOttar
OckerOmberOtter
OdderOncerOuter
OdourOpterOwler
OfferOrderOwner
OfterOrmerOxter

5 Letter Words Starting With O and Ending in Y

Eleven words end in Y, and Oddly and Ovary are the Wordle answers. Oddly and Onely end in LY.

Oc to OlOn to OrOt to Ov
OchryOnelyOtary
OddlyOneryOundy
OlogyOnlayOutby
OracyOvary

5 Letter Words Starting With O and Ending With L

Eight words end in L, and Octal and Offal are the Wordle answers.

  • Octal
  • Octyl
  • Offal
  • Oriel
  • Orval
  • Osmol
  • Ousel
  • Ouzel

5 Letter Words Starting With O by Contained Letters

5 Letter Words Starting With O and No Other Vowels

These 20 words use O as their only vowel, as in Oddly, Oomph, and Oxbow. Oddly is the only Wordle answer among them. The wider list of five letter words with O as the only vowel holds words with the O in any square.

Ob to OdOl to OpOr to Ox
ObolsOlogyOrdos
OchryOmovsOrlon
OctylOomphOrlop
OddlyOontsOrtho
OdorsOpposOrzos
OdylsOsmol
Ottos
Ovolo
Oxbow

5 Letter Words Starting With O and Containing E

E is the most common letter after the O, held by 132 words and 26 Wordle answers. The table lists the answers and the most familiar of the rest.

Oa to OlOm to OtOu to Oz
OakenOmbreOunce
ObeseOmegaOuter
OceanOnsetOvate
OctetOpensOvers
OdderOperaOvert
OfferOpineOvine
OftenOptedOwned
OldenOrderOwner
OlderOtherOxide
OliveOtterOzone

5 Letter Words Starting With O and Containing L

Of the 263 words, 58 hold an L after the O, and 6 are Wordle answers: Octal, Oddly, Offal, Olden, Older, and Olive.

Oc to OiOlOp to Ow
OctalOldenOpals
OculiOlderOrals
OddlyOldieOriel
OffalOleicOrval
OgledOleumOvals
OiledOliveOvule
OilerOllerOwler
OllieOwlet
Ology

5 Letter Words Starting With O and Containing P

Twenty-five words hold a P, and Opera, Opine, Opium, and Optic are the Wordle answers.

Ok to OoOpOr to Ox
OkapiOpahsOrlop
OlpaeOpalsOrpin
OlpesOpensOupas
OomphOpepeOuped
OopedOperaOuphe
OpineOuphs
OpingOxlip
Opium
Oppos
Opsin
Opted
Opter
Optic

5 Letter Words Starting With O by Letter Position

5 Letter Words Starting With O and 4th Letter E

E is the 4th letter in 70 words, and 13 of them are Wordle answers, including Often, Order, Other, and Owner.

Oa to OfOg to OpOr to Ow
OakenOgresOrder
OasesOiledOriel
ObjetOilerOther
OcherOldenOtter
OctetOlderOuted
OdderOnsetOuter
OffedOozedOwler
OfferOozesOwned
OftenOptedOwner

5 Letter Words Starting With O and 4th Letter A

A is the 4th letter in 29 words, and Ocean, Octal, Offal, and Organ are the Wordle answers.

Ob to OfOg to OmOn to Ou
ObeahOghamOnlay
ObiasOhiasOrcas
OccamOkrasOread
OceanOktasOrgan
OctadOllasOrval
OctalOllavOscar
OctanOlpaeOshac
OctasOmlahOttar
OffalOmrahOumas
OflagOupas
5 Letter Words that start with with O including names, rare, and common words
5 Letter Words that start with with O

5 Letter Words Starting With O for Scrabble

Ozzie leads at 23 points, because it holds two Z tiles worth 10 points each. Ozeki and Oxbow follow at 18 and 17.

WordPointsHigh Value Tiles
Ozzie23Z and Z
Ozeki18Z and K
Oxbow17X
Oozed15Z
Oxeye15X
Objet14J
Ojime14J
Oozes14Z
Orzos14Z
Ouzel14Z
Ouzos14Z
Oxime14X

FAQs

Q1. How many 5 letter words start with O?

There are 263 five letter words that start with O in the Scrabble and Wordle word lists. Wordle uses 41 of them as answers, and the other 222 are valid guesses or Scrabble words.

Q2. What are some common 5 letter words that start with O?

Ocean, Often, Order, Other, Olive, Onion, Opera, and Ounce are among the most familiar 5 letter words starting with O. All eight are Wordle answers, so they are strong guesses when O turns green in the first square.

Q3. What is the best Wordle starting word that begins with O?

Often is the best Wordle starting word among the answers that begin with O. It splits the 41 answers into 18 color patterns and leaves about 3.3 on average. Oaten narrows them further, but it is never the answer itself.

Q4. What 5 letter words start with O and end in ER?

Twenty-three 5 letter words start with O and end in ER, including Odder, Offer, Older, Order, Other, Otter, Outer, and Owner. All eight of those are Wordle answers, and the 23 words have a list of their own.

Q5. What 5 letter words start with OU?

Twenty-seven 5 letter words start with OU. Ought, Ounce, Outdo, Outer, and Outgo are the Wordle answers among them.

Q6. Do any 5 letter words start with OO?

Yes, ten 5 letter words start with OO, such as Oomph and Oozed. None of them is a Wordle answer, so they serve only as guesses.

Q7. What 5 letter words start and end with O?

Ortho, Outdo, Outgo, Outro, and Ovolo start and end with O. Outdo and Outgo are Wordle answers.

Q8. What 5 letter words start with O and end in NE?

Ohone, Opine, Ovine, and Ozone start with O and end in NE. Opine, Ovine, and Ozone are Wordle answers.

Q9. Which 5 letter words starting with O score the most in Scrabble?

Ozzie scores the most at 23 points, because it holds two Z tiles. Ozeki follows at 18 points and Oxbow at 17.

Q10. What 5 letter words start with O and end in LY?

Oddly and Onely are the 5 letter words that start with O and end in LY. Oddly is a Wordle answer, and Onely is a valid Scrabble word.

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Amelia Wright writes the daily word game challenges at Englishan.com, bringing an MA in Linguistics and five years of puzzle writing and editing to every grid. A devoted Wordle player with an enduring fascination for how words behave under pressure, she has a keen instinct for what players will recognize, overlook, or second guess. Her puzzles favor clever turns, familiar vocabulary, and the quiet satisfaction of a win that feels thoroughly earned.